Cocoa in a Nutshell

Name

NSScroller — Mac OS X 10.0

Synopsis

This class represents the scrollbar control of a scroll view, and is used to control the scrolling of a document within a scroll view’s clip view. There is usually no need to work with NSScroller objects in code, as they are completely configured within a scroll view by Interface Builder.

@interface NSScroller : NSControl

// Convenience Constructors

+ (float)scrollerWidth;

+ (float)scrollerWidthForControlSize:(NSControlSize)controlSize;

// Accessor Methods

- (void)setFloatValue:(float)aFloat knobProportion:(float)percent;

- (void)setControlTint:(NSControlTint)controlTint;

- (NSControlTint)controlTint;

- (void)setArrowsPosition:(NSScrollArrowPosition)where;

- (NSScrollArrowPosition)arrowsPosition;

- (void)setControlSize:(NSControlSize)controlSize;

- (NSControlSize)controlSize;

// Instance Methods

- (void)checkSpaceForParts;

- (void)drawArrow:(NSScrollerArrow)whichArrow highlight:(BOOL)flag;

- (void)drawKnob;

- (void)drawParts;

- (void)highlight:(BOOL)flag;

- (NSScrollerPart)hitPart;

- (float)knobProportion;

- (NSRect)rectForPart:(NSScrollerPart)partCode;

- (NSScrollerPart)testPart:(NSPoint)thePoint;

- (void)trackKnob:(NSEvent *)theEvent;

- (void)trackScrollButtons:(NSEvent *)theEvent;

- (NSUsableScrollerParts)usableParts;